Home / 12,004.24-18,001.79-5,762.48

Finding the Fourth Proportional to 12,004.24, 18,001.79 and 5,762.48

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Solution

The fourth proportional to 12,004.24, 18,001.79 and 5,762.48 is: 8,641.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,004.24 : 18,001.79 = 5,762.48 : x
  2. Step 2: Convert to fraction form
    12,004.24/18,001.79 = 5,762.48/x
  3. Step 3: Cross multiply
    12,004.24x = 18,001.79 × 5,762.48
  4. Step 4: Simplify right side
    12,004.24x = 103,734,954.84
  5. Step 5: Solve for x
    x = 103,734,954.84/12,004.24
  6. Step 6: Final answer
    x = 8,641.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.